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The sequence 24, $a$, $b$, $c$, $d$ 60 is arithmetic. What is the value of $a+b+c+d$?

 Sep 17, 2023
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The sequence 24, $a$, $b$, $c$, $d$ 60 is arithmetic. What is the value of $a+b+c+d$?    

 

31.2 + 38.4 + 45.6 + 52.8  =  168.0    

 

The increment in the arithmetic sequence is add 7.2 each time.    

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 Sep 17, 2023
edited by Bosco  Sep 17, 2023

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